/*
 * Copyright 2011-2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.data.neo4j.documentation.repositories.custom_queries;

import org.neo4j.driver.Driver;
import org.neo4j.driver.Session;
import org.neo4j.driver.summary.SummaryCounters;

class LowlevelInteractionsImpl implements LowlevelInteractions {

	private final Driver driver; // <.>

	LowlevelInteractionsImpl(Driver driver) {
		this.driver = driver;
	}

	@Override
	public int deleteGraph() {

		try (Session session = this.driver.session()) {
			SummaryCounters counters = session.executeWrite(tx -> tx.run("MATCH (n) DETACH DELETE n").consume()) // <.>
				.counters();
			return counters.nodesDeleted() + counters.relationshipsDeleted();
		}
	}

}
